Home / 43,675.02-65,457.72-18,685.68

Finding the Fourth Proportional to 43,675.02, 65,457.72 and 18,685.68

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Solution

The fourth proportional to 43,675.02, 65,457.72 and 18,685.68 is: 28,005.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.02 : 65,457.72 = 18,685.68 : x
  2. Step 2: Convert to fraction form
    43,675.02/65,457.72 = 18,685.68/x
  3. Step 3: Cross multiply
    43,675.02x = 65,457.72 × 18,685.68
  4. Step 4: Simplify right side
    43,675.02x = 1,223,122,009.45
  5. Step 5: Solve for x
    x = 1,223,122,009.45/43,675.02
  6. Step 6: Final answer
    x = 28,005.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.